Question detail
Explain how the kidneys contribute to the removal of urea from the blood.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Hormonal coordination in humans
Question
Explain how the kidneys contribute to the removal of urea from the blood.
Answer
The kidneys filter the blood, allowing waste products like urea to pass into the urine while reabsorbing useful substances. Urea, produced from the breakdown of proteins, is removed from the bloodstream to prevent toxicity.
Explanation
This answer effectively explains the process of urea removal, linking it to protein metabolism and the kidneys' filtering function. It tests the student's ability to apply knowledge about kidney function and urea's role in the body.
Common mistake
Misunderstanding Kidney Function
Students often describe the kidneys only as filters without mentioning their role in removing excess water, ions, and urea.
Emphasize that the kidneys not only filter blood but also specifically remove excess water, ions, and urea to produce urine.
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